llvm/bolt/lib/Core/BinaryFunctionProfile.cpp

//===- bolt/Core/BinaryFunctionProfile.cpp - Profile processing -----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements BinaryFunction member functions related to processing
// the execution profile.
//
//===----------------------------------------------------------------------===//

#include "bolt/Core/BinaryBasicBlock.h"
#include "bolt/Core/BinaryFunction.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"

#undef  DEBUG_TYPE
#define DEBUG_TYPE …

usingnamespacellvm;
usingnamespacebolt;

namespace opts {

extern cl::OptionCategory BoltOptCategory;

cl::opt<IndirectCallPromotionType> ICP(
    "indirect-call-promotion", cl::init(ICP_NONE),
    cl::desc("indirect call promotion"),
    cl::values(
        clEnumValN(ICP_NONE, "none", "do not perform indirect call promotion"),
        clEnumValN(ICP_CALLS, "calls", "perform ICP on indirect calls"),
        clEnumValN(ICP_JUMP_TABLES, "jump-tables",
                   "perform ICP on jump tables"),
        clEnumValN(ICP_ALL, "all", "perform ICP on calls and jump tables")),
    cl::ZeroOrMore, cl::cat(BoltOptCategory));

static cl::alias ICPAlias("icp",
                          cl::desc("Alias for --indirect-call-promotion"),
                          cl::aliasopt(ICP));

extern cl::opt<JumpTableSupportLevel> JumpTables;

static cl::opt<bool> FixFuncCounts(
    "fix-func-counts",
    cl::desc("adjust function counts based on basic blocks execution count"),
    cl::Hidden, cl::cat(BoltOptCategory));

static cl::opt<bool> FixBlockCounts(
    "fix-block-counts",
    cl::desc("adjust block counts based on outgoing branch counts"),
    cl::init(true), cl::Hidden, cl::cat(BoltOptCategory));

static cl::opt<bool>
    InferFallThroughs("infer-fall-throughs",
                      cl::desc("infer execution count for fall-through blocks"),
                      cl::Hidden, cl::cat(BoltOptCategory));

} // namespace opts

namespace llvm {
namespace bolt {

void BinaryFunction::postProcessProfile() { … }

void BinaryFunction::mergeProfileDataInto(BinaryFunction &BF) const { … }

void BinaryFunction::inferFallThroughCounts() { … }

void BinaryFunction::clearProfile() { … }

} // namespace bolt
} // namespace llvm